The average train between Southampton and Trafalgar Square takes 1h 33m and the fastest train takes 1h 21m. The train runs at least 2 times per hour from Southampton to Trafalgar Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 30 minutes between Southampton and Trafalgar Square. The earliest departure is at 4:49 AM at night, and the last departure from Southampton is at 11:00 PM which arrives into Trafalgar Square at 3:32 AM. All services require a transfer at London Waterloo Station and take an average of 1h 33m. The schedules shown below are for the next available departures.

1h 24m • 1 change
1h 27m • 1 change
1h 24m • 1 change
1h 30m • 1 change
1h 54m • 1 change
2h 15m • 1 change
1h 49m • 1 change
1h 43m • 1 change
1h 52m • 1 change
1h 39m • 1 change
1h 23m • 1 change
1h 43m • 1 changeWant to know about travelling from Southampton to Trafalgar Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Southampton to Trafalgar Square. However, there are services departing from Southampton station and arriving at Trafalgar Square station via London Waterloo. The journey, including transfers, takes approximately 1h 33m.
Southampton to Trafalgar Square train services, operated by South Western Railway, depart from Southampton Central station.
Southampton to Trafalgar Square train services, operated by South Western Railway, arrive at London Waterloo station.
Book your Southampton to Trafalgar Square train tickets online with South Western Railway and London Underground (Tube).
The distance between Southampton and Trafalgar Square is 111.4 km. The road distance is 128 km.
South Western Railway operates a train from Southampton Central to London Waterloo every 30 minutes. Tickets cost £30–70 and the journey takes 1h 19m.